Enter your name as ICHEAT and use these codes while playing the game.

Effect	Code
Access All Weapons	Press A, Right, Down C, Right C, Up C, A, Left.
All Artifacts	Press Up, Down C, Right C, Z, Up, Left.
Dundee cheat	Press Down, Up, C-up, Down, C-right, C-right.
Evil Black Suit	Press C-left, C-right, A, C-down, C-right and then Left.
Extra Smart-Bomb	Press A, C-up, C-up, up, left.
Fat Legs	Press Left, A, Right, Down.
Generates Alpha Power-up	Down-C, Up, Z, Z, Up, Down-C, Right-C.
Increase Weapon Power	Press bottom-C, top-C, Up, Z, Z, Left, Left, and right-C.
Kill Adam (main character)	Press B, Left, C-right, C-right, Down.
Make Adam dance	Press Down, Up, C-up, Down, C-right, C-right.
Mutant Alien	Press c-down, up, Z, Z, c-right, right.
Restore Health	Press down, up, right, A, B, left, C-right.
Short Fat Adam	Press Down, C-left, A, Right, Z.
Surreal Mode	Press C-down, up, right, right, C-right, A, left.
Tall and Lanky Adam	Press B, A, C-up, A, C-up, A.
Weak Bosses	Press Z, C-right, C-right, B, left, C-right.